Abstract
In this paper, polylactic acid materials combined with fused deposition molding technology were used to prepare porous structural panels. A combination of quasi-static compression experiment and finite element simulation analysis was adopted to explore effect of pitting time and concentration of dichloromethane solvent on the compression properties of porous structural panels. Results showed that surface of 100 % solvent became smooth and flat, while surface of 80 % solvent only formed a dense covering film. When specimens continues to suffer from corrosion, the single-layer specimens changed its deformation directions to a certain extent, while the instability of the two layers bolted porous structural panels gradually decreased when the corrosion damage increased. Mass concentration of 90 % was the critical point for local mechanical performance of specimens.
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